Barnett, Illinois
Barnett: township in DeWitt County, Illinois
About
Barnett is a township located in the county of Madison in the U.S. state of Illinois. Its population at the 2010 census was 406 and a population density of 11 people per km². After 10 years in 2020 city had an estimated population of 392 inhabitants.
Quick Facts about Barnett
| Population | 392 (2020) |
| Country | United States of America |
| State | Illinois (United States) |
| County | Madison County |
| Area | 37.4 km2 |
| Latitude & Longitude | 38.8545,-89.8845 |
| Altitude | 771 feet / 235 meters |
| Time Zone | America/Chicago |
| Local time | 22:32:45 (18th April 2026) |
| Density | 10 Pop. per km² as of 2020 |
| Population growth | -3.57% (2010-2020) |
| Weather | 59℉ Showers And Thunderstorms 7-days weather |
Geography
Barnett is located at 38°51'16"N 89°53'4"W (38.8544900, -89.8845400).
Barnett map
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Weather
Showers and thunderstorms. Partly sunny. High near 59, with temperatures falling to around 55 in the afternoon. Northwest wind 15 to 18 mph, with gust...
7-Day ForecastDemographics
According to census records, the population of Barnett decreased by 3.57% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 406 | - | census |
| 2011 | 409 | 0.73% | estimation process |
| 2012 | 410 | 0.24% | estimation process |
| 2013 | 406 | -0.99% | estimation process |
| 2014 | 404 | -0.5% | estimation process |
| 2015 | 405 | 0.25% | estimation process |
| 2016 | 406 | 0.25% | estimation process |
| 2017 | 402 | -1% | estimation process |
| 2018 | 399 | -0.75% | estimation process |
| 2019 | 397 | -0.5% | estimation process |
| 2020 | 392 | -1.28% | estimation process |
Nearby Schools and Colleges
Schools and campuses linked to Barnett, IL. Select a name to open its map and contact details.
| Code | Name | City | ZIP |
|---|---|---|---|
| 149231 | Southern Illinois University-Edwardsville | Edwardsville (IL) | 62026-1259 |
Nearby Transit Stations (10)
Rail and bus stations connected to Barnett, IL. Select a station to open its map and address details.
| Code | Name | Address | Type |
|---|---|---|---|
| ALN | Alton | 3400 College Ave. | RAIL |
| STL | Gateway Transportation Center | 551 South 16th St. | RAIL |
| CRV | Carlinville | 128 Alton Rd. | RAIL |
| KWD | Kirkwood | 110 West Argonne Dr. | RAIL |
| CEN | Centralia station | 108 East Broadway | RAIL |
Closest post offices linked to Barnett.
| Post Office Name | City | ZIP |
|---|---|---|
| Hamel Post Office | Hamel (IL) | 62046 |
Other places with the same name (1)
- Barnett, Missouri city in Missouri, USA with a population of 204 people.
Other cities in Madison County
Cities, towns, neighborhoods & other populated places in Madison County , IL. (more)
| City Name | Population | Title |
|---|---|---|
| Upper Alton | 29,251 | City in Madison County, Illinois, United States of America |
| Alton | 26,049 | City in Madison County, Illinois, United States |
| Granite City | 25,662 | Township in Madison County, Illinois |
| Edwardsville | 25,189 | City in Madison County, Illinois, United States |
| Collinsville | 24,217 | City in Illinois |
| Godfrey | 17,393 | Village in Madison County, Illinois, United States |
| Glen Carbon | 12,887 | Village in Illinois, United States |
| Nameoki | 12,056 | Township in Madison County, Illinois |
| Troy | 10,399 | City in Madison County, Illinois, United States |
| Highland | 10,017 | City in Madison County, Illinois, United States |
| Wood River | 10,002 | City in Illinois, United States |
| Bethalto | 9,201 | Village in Illinois |
| Maryville | 7,959 | City in Illinois, United States of America |
| Newport | 6,630 | Neighborhood in Madison, Illinois, USA |
| East Alton | 5,922 | City in Illinois, United States of America |
| Pontoon Beach | 5,655 | Town |